ATxmega64B1 Atmel Corporation, ATxmega64B1 Datasheet - Page 392
ATxmega64B1
Manufacturer Part Number
ATxmega64B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64B1
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
53
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Segment Lcd
160
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
8
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.6 to 3.6
Operating Voltage (vcc)
1.6 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
10
Input Capture Channels
10
Pwm Channels
10
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega64B1-AUR
Manufacturer:
ATMEL
Quantity:
210
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29.11.2.7
29.11.2.8
29.11.2.9
29.11.2.10
8291A–AVR–10/11
Erase Application Section
Erase Application Section / Boot Loader Section Page
Application Section / Boot Loader Section Page Write
Erase and Write Application Section / Boot Loader Section Page
In order to use the flash range CRC command, all the boot lock bits must be unprogrammed (no
locks). The command execution will be aborted if the boot lock bits for an accessed location are
set.
The erase application command is used to erase the complete application section.
The BUSY flag in the STATUS register will be set until the operation is finished. The CPU will be
halted during the complete execution of the command.
The erase application section page erase and erase boot loader section page commands are
used to erase one page in the application section or boot loader section.
The BUSY flag in the NVM STATUS register will be set until the erase operation is finished. The
FBUSY flag is set as long the flash is busy, and the application section cannot be accessed.
The write application section page and write boot loader section page commands are used to
write the flash page buffer into one flash page in the application section or boot loader section.
The BUSY flag in the NVM STATUS register will be set until the write operation is finished. The
FBUSY flag is set as long the flash is busy, and the application section cannot be accessed.
An invalid page address in the Z-pointer will abort the NVM command. The erase application
section page command requires that the Z-pointer addresses the application section, and the
erase boot section page command requires that the Z-pointer addresses the boot loader
section.
The erase and write application section page and erase and write boot loader section page com-
mands are used to erase one flash page and then write the flash page buffer into that flash page
in the application section or boot loader section in one atomic operation.
1. Load the Z-pointer to point anywhere in the application section.
2. Load the NVM CMD register with the erase application section command
3. Execute the SPM instruction. This requires the timed CCP sequence during self-
1. Load the Z-pointer with the flash page address to erase. The page address must be
2. Load the NVM CMD register with the erase application/boot section page command.
3. Execute the SPM instruction. This requires the timed CCP sequence during self-
1. Load the Z-pointer with the flash page to write. The page address must be written to
2. Load the NVM CMD register with the write application section/boot loader section page
3. Execute the SPM instruction. This requires the timed CCP sequence during self-
programming.
written to ZPAGE. Other bits in the Z-pointer will be ignored during this operation.
programming.
FPAGE. Other bits in the Z-pointer will be ignored during this operation.
command.
programming.
Atmel AVR XMEGA B
392
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